我正在学习使用AjaxControlToolkit,AutoCompleteExtender是我使用的第一个控件,有关它的文章网上也有不少,不过很多都因为版本问题而不太正确了,让我在参考时也绕了些圈子,因此我把自己的实例写一下,适合和我一样的新手作参考(注:版本对应ASP.NET AJAX 1.0)
效果图:
首先配置好环境,安装过程参考:ASP.NET AJAX学习记要(3)-ASP.NET AJAX安装(VS2005下安装)
用AjaxControlToolkitWebSite模板新建网站
新建一个WebService,在代码页中加入以下代码
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
然后写一个方法,用于返回自用完成时显示的数据列表
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
其中prefixText是指定文本框内输入的值,根据这个值来做数据筛选,本例中为了简单就直接写死了
返回的值必须是字符串数组,如果是从数据源取得的表还需要把它转成数组后返回
然后在webform中添加控件,代码如下
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
TargetControlID:要监视的文本控件ID
MinimumPrefixLength:触发自动完成功能的最少字数
ServicePath:WebService路径
ServiceMethod:刚才写的方法名称,用于返回数据
保存后运行一下看看,自动完成功能就是这么简单:)
![](https://www.cnblogs.com/images/cnblogs_com/fallenwing/screenshot2.jpg)